There's always been this idea of the Greenspan put, that if stocks wobble, then the Fed will cut rates.
格林斯潘看跌期权一直存在这样的观点：如果股市波动，美联储就会降息。
英语百科
Greenspan put
The "Greenspan put" refers to the monetary policy approach that Alan Greenspan, the former Chairman of the United States Federal Reserve Board, and other Fed members exercised from late 1987 to 2000.